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.icon-hamburger-1 svg.icon-hamburger { display: block; } .icon-hamburger-1 .fill-color.icon-hamburger { fill: #fff; }.login-button-1 .dropdown-toggle.login-button { display: block; height: 4rem; font-size: 1.6rem; text-transform: uppercase; text-decoration: none; color: #ccc; cursor: pointer; } .login-button-1 .dropdown-toggle.login-button .fill-color.login-button { fill: #999; } .login-button-1 .dropdown-toggle.login-button:active .fill-color.login-button,.login-button-1 .dropdown-toggle.login-button:focus .fill-color.login-button,.login-button-1 .dropdown-toggle.login-button:hover .fill-color.login-button { fill: #fff; } .login-button-1 .active.login-button { border-radius: 1rem 1rem 0 0; background: #333; } .login-button-1 .active.login-button .fill-color.login-button { fill: #fff; } .login-button-1 span.login-button { display: none; font-size: 1.4rem; text-transform: uppercase; color: #999; } .login-button-1 span.login-button a.login-button { color: inherit; text-decoration: none; } .login-button-1 a.login-button:hover,.login-button-1 a.login-button:active,.login-button-1 a.login-button:focus { color: #fff; } @media (min-width: 890px) { .login-button-1 .logged-out-toolbar.login-button { transform: translateY(-.5rem); } .login-button-1 .active.login-button { background: transparent; } .login-button-1 .dropdown-toggle.login-button { display: inline-block; vertical-align: middle; } .login-button-1 span.login-button { display: inline; vertical-align: middle; } }.nav-search-1 input.nav-search:focus { outline: none; } .nav-search-1 button.nav-search { background: none; color: inherit; border: none; font: inherit; cursor: pointer; } .nav-search-1 button.nav-search:focus { outline: none; } .nav-search-1 .search.nav-search { padding-top: 0; margin-right: .5rem; } .nav-search-1 .search.nav-search svg.nav-search { position: relative; top: -5px; right: -3px; fill:; } .nav-search-1 .search-activated.nav-search { display: -webkit-box; display: -ms-flexbox; display: flex; position: absolute; top: 0; right: 5rem; bottom: 0; left: 5rem; z-index: 3; padding: 0.5rem 0.2rem; border-radius: 1rem 1rem 0 0; background: #333; } .nav-search-1 .search-inactive.nav-search { display: none; } .nav-search-1 .search-activated.nav-search .highlight.nav-search,.nav-search-1 .search-activated.nav-search .search.nav-search { background: #fff; border-radius: 0.5rem; } .nav-search-1 .search-activated.nav-search .highlight.nav-search { display: -webkit-box; display: -ms-flexbox; display: flex; width: 100%; margin: 0 .5rem; } .nav-search-1 .search-activated.nav-search .search.nav-search { height: 100%; padding: 0; margin-right: 0; -ms-flex-item-align: center; -ms-grid-row-align: center; align-self: center; } .nav-search-1 .search-activated.nav-search .search-field.nav-search { width: 100%; height: 100%; box-sizing: border-box; padding-left: 1rem; border-radius: 0.5rem; border: none; font-size: 1.6rem; text-align: center; } .nav-search-1 .search-activated.nav-search .search-field.nav-search:focus { outline: none; } @keyframes fade-in-nav-search-1 { 0% { opacity: 0; } 100% { opacity: 1; } } .nav-search-1 .fade-in.nav-search { animation: fade-in-nav-search-1 .2s forwards; } @media (min-width: 890px) { .nav-search-1 .search.nav-search svg.nav-search { display: inline; width: 28px; height: 28px; vertical-align: -14px; } .nav-search-1 .search.nav-search path.nav-search { fill: #333; } .nav-search-1 .search-inactive.nav-search,.nav-search-1 .search-activated.nav-search { display: block; position: static; padding: 1.2rem .2rem; background: transparent; } .nav-search-1 .search-activated.nav-search .highlight.nav-search { width: 13rem; height: 2.8rem; -webkit-box-orient: horizontal; -webkit-box-direction: reverse; -ms-flex-direction: row-reverse; flex-direction: row-reverse; } .nav-search-1 .search-activated.nav-search .search-field.nav-search { width: calc(100% - 28px); height: 100%; padding-left: 0; font-size: 1.4rem; text-align: left; } .nav-search-1 .search-activated.nav-search .search.nav-search svg.nav-search { width: 28px; height: 28px; } }.media-button-1 a.media-button { display: inline-block; text-decoration: none; } .media-button-1 .menu-item.media-button { display: inline-flex; width: 100%; padding: 0; font-size: 1.6rem; text-align: left; background: transparent; -webkit-box-align: center; -ms-flex-align: center; align-items: center; } .media-button-1 .menu-item.media-button:focus { outline: none; } .media-button-1 .label.media-button { display: inline-block; padding: 0; font-weight: 400; color: #fff; text-align: left; vertical-align: middle; } .media-button-1 .menu-item.media-button > .icon.media-button { display: inline-flex; width: 42px; height: 42px; vertical-align: middle; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; } .media-button-1 .menu-item.selected.media-button .icon.media-button { background-color: #333; border-radius: 1rem 0 0 1rem; } .media-button-1 .icon.media-button .fill-color.media-button { fill: #999; } .media-button-1 .icon.active.media-button .fill-color.media-button { fill: #fff; } .media-button-1 .donate.media-button .fill-color.media-button { fill: #f00; } @media (min-width: 890px) { .media-button-1 .menu-item.media-button { width: auto; height: 5rem; color: #999; } .media-button-1 .menu-item.media-button:hover,.media-button-1 .menu-item.media-button:active,.media-button-1 .menu-item.media-button:focus { color: #fff; } .media-button-1 .menu-item.media-button:hover .fill-color.media-button,.media-button-1 .menu-item.media-button:active .fill-color.media-button,.media-button-1 .menu-item.media-button:focus .fill-color.media-button { fill: #fff; } .media-button-1 .label.media-button { display: none; } .media-button-1 .label.media-button,.media-button-1 .web.media-button:after { padding-right: 1rem; font-size: 1.3rem; text-transform: uppercase; color: inherit; } .media-button-1 .web.media-button:after { display: none; content: "web"; } .media-button-1 .donate.media-button,.media-button-1 .more.media-button { display: none; } .media-button-1 .menu-item.selected.media-button { background: #474747; } .media-button-1 .menu-item.selected.media-button .label.media-button,.media-button-1 .menu-item.selected.web.media-button:after { color: #fff; } .media-button-1 .menu-item.selected.media-button .icon.media-button { background: transparent; } .media-button-1 .web.selected.media-button .fill-color.media-button { fill: #ffcd27; } .media-button-1 .texts.selected.media-button .fill-color.media-button { fill: #faab3c; } .media-button-1 .video.selected.media-button .fill-color.media-button { fill: #f1644b; } .media-button-1 .audio.selected.media-button .fill-color.media-button { fill: #00adef; } .media-button-1 .software.selected.media-button .fill-color.media-button { fill: #9ecc4f; } .media-button-1 .images.selected.media-button .fill-color.media-button { fill: #aa99c9; } } @media (min-width: 1300px) { .media-button-1 .label.media-button,.media-button-1 .web.media-button:after { display: inline; } .media-button-1 .web.media-button .label.media-button { display: none; } }.media-menu-1 { outline: none; } .media-menu-1 .media-menu.media-menu { position: absolute; z-index: -1; top: -100vh; width: 100%; background-color: #222; margin: 0; overflow: hidden; } .media-menu-1 .media-menu.tx-slide.media-menu { transition-property: top; transition-duration: 0.2s; transition-timing-function: ease; } .media-menu-1 .media-menu.tx-slide.open.media-menu { top: 100%; } .media-menu-1 .media-menu.tx-slide.closed.media-menu { top: -100vh; } .media-menu-1 .media-menu.tx-slide.closed.media-menu { transition-duration: 0.2s; } .media-menu-1 .menu-group.media-menu { position: relative; line-height: normal; } @media (min-width: 890px) { .media-menu-1 .media-menu.media-menu { display: inline-block; position: static; width: auto; height: 5rem; } .media-menu-1 .media-menu.tx-slide.media-menu { transition-property: none; } .media-menu-1 .media-menu.tx-slide.open.media-menu,.media-menu-1 .media-menu.tx-slide.closed.media-menu { top: 0; } .media-menu-1 .menu-group.media-menu { font-size: 0; } }.primary-nav-1 button.primary-nav:focus,.primary-nav-1 a.primary-nav:focus,.primary-nav-1 input.primary-nav:focus { outline: none; } .primary-nav-1 nav.primary-nav { position: relative; display: -ms-grid; display: grid; height: 4rem; grid-template-areas: "hamburger empty search user"; -ms-grid-columns: 4rem minmax(1rem, 100%) 4.3rem 5rem; grid-template-columns: 4rem auto 4.3rem 5rem; -ms-grid-rows: 100%; grid-template-rows: 100%; background: #222; border-bottom: 1px solid #333; } .primary-nav-1 button.primary-nav { background: none; color: inherit; border: none; font: inherit; cursor: pointer; } .primary-nav-1 .link-home.primary-nav { position: absolute; top: 50%; left: 50%; z-index: 2; text-decoration: none; -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%); } .primary-nav-1 media-menu.primary-nav { grid-column-start: hamburger-start; grid-column-end: user-end; } .primary-nav-1 .ia-logo.primary-nav { display: block; } .primary-nav-1 .ia-wordmark.primary-nav { display: none; } .primary-nav-1 .hamburger.primary-nav { -ms-grid-row: 1; -ms-grid-column: 1; grid-area: hamburger; padding: 0; } .primary-nav-1 .search-trigger.primary-nav { -ms-grid-row: 1; -ms-grid-column: 3; grid-area: search; position: relative; padding: 0; z-index: 1; width: 100%; text-align: right; -webkit-box-align: center; -ms-flex-align: center; align-items: center; } .primary-nav-1 .search-trigger.primary-nav .fill-color.primary-nav { fill: #999; } .primary-nav-1 .search-activated.primary-nav { position: relative; z-index: 3; } .primary-nav-1 .upload.primary-nav { display: none; } .primary-nav-1 .upload.primary-nav span.primary-nav { display: none; } .primary-nav-1 .user-info.primary-nav { -ms-grid-row: 1; -ms-grid-column: 4; grid-area: user; -ms-grid-row-align: stretch; align-self: stretch; -ms-grid-column-align: end; justify-self: end; } .primary-nav-1 .username.primary-nav { display: none; font-size: 1.3rem; vertical-align: middle; text-transform: uppercase; } .primary-nav-1 .user-menu.primary-nav { height: 100%; padding: .5rem 1rem; color: #999; } .primary-nav-1 .user-menu.primary-nav:hover { color: #fff; } .primary-nav-1 .user-menu.active.primary-nav { border-radius: 1rem 1rem 0 0; background: #333; } .primary-nav-1 .user-menu.primary-nav img.primary-nav { display: block; width: 30px; height: 30px; } @media (min-width: 890px) { .primary-nav-1 { ; } .primary-nav-1 nav.primary-nav { display: block; z-index: 2; height: 5rem; padding-right: 1.5rem; } .primary-nav-1 .link-home.primary-nav { position: static; float: left; margin-top: 1rem; padding: 0 10px 0 13px; -webkit-transform: translate(0, 0); -ms-transform: translate(0, 0); transform: translate(0, 0); } .primary-nav-1 .ia-logo.primary-nav,.primary-nav-1 .ia-wordmark.primary-nav { display: inline-block; vertical-align: middle; } .primary-nav-1 .ia-wordmark.primary-nav { margin-left: 1rem; } .primary-nav-1 .hamburger.primary-nav,.primary-nav-1 .search-trigger.primary-nav { display: none; } .primary-nav-1 .user-info.primary-nav { float: right; padding-top: 1rem; } .primary-nav-1 .user-menu.primary-nav { padding-top: 0; } .primary-nav-1 .user-menu.active.primary-nav { background: transparent; } .primary-nav-1 .user-menu.primary-nav img.primary-nav { display: inline-block; vertical-align: middle; } .primary-nav-1 .upload.primary-nav { display: block; float: right; margin-top: 1rem; font-size: 1.4rem; text-transform: uppercase; text-decoration: none; color: #999; } .primary-nav-1 .upload.primary-nav:active,.primary-nav-1 .upload.primary-nav:focus,.primary-nav-1 .upload.primary-nav:hover { color: #fff; } .primary-nav-1 .upload.primary-nav svg.primary-nav { width: 32px; height: 32px; vertical-align: middle; fill: #999; } .primary-nav-1 .upload.primary-nav:hover svg.primary-nav,.primary-nav-1 .upload.primary-nav:focus svg.primary-nav,.primary-nav-1 .upload.primary-nav:active svg.primary-nav { fill: #fff; } .primary-nav-1 nav-search.primary-nav { float: right; margin-left: 1rem; } .primary-nav-1 login-button.primary-nav { display: block; margin-right: 1rem; } } @media (min-width: 990px) { .primary-nav-1 .username.primary-nav { display: inline-block; } .primary-nav-1 .upload.primary-nav span.primary-nav { display: inline; } }.search-menu-1 { ; } .search-menu-1 button.search-menu:focus,.search-menu-1 input.search-menu:focus { outline-color: #428bca; outline-width: 0.16rem; outline-style: auto; } .search-menu-1 .search-menu.search-menu { position: absolute; top: -800px; right: 0; left: 0; z-index: 1; padding: 0 4.5rem; font-size: 1.6rem; background-color: #333; } .search-menu-1 .tx-slide.search-menu { overflow: hidden; transition-property: top; transition-duration: 0.2s; transition-timing-function: ease; } .search-menu-1 .initial.search-menu,.search-menu-1 .closed.search-menu { top: -800px; } .search-menu-1 .closed.search-menu { transition-duration: 0.2s; } .search-menu-1 .open.search-menu { top: 4rem; } .search-menu-1 label.search-menu,.search-menu-1 a.search-menu { padding: 1rem; display: block; } .search-menu-1 .advanced-search.search-menu { text-decoration: none; color: #428bca; } @media (min-width: 890px) { .search-menu-1 .search-menu.search-menu { overflow: visible; top: -400px; right: 2rem; left: auto; z-index: 5; padding: 1rem 2rem; transition: opacity .2s ease-in-out; font-size: 1.4rem; color: #333; border-radius: 2px; background: #fff; box-shadow: 0 1px 2px 1px rgba(0, 0, 0, .15); } .search-menu-1 .search-menu.search-menu:after { position: absolute; right: 7px; top: -7px; width: 12px; height: 7px; box-sizing: border-box; color: #fff; content: ""; border-bottom: 7px solid currentColor; border-left: 6px solid transparent; border-right: 6px solid transparent; } .search-menu-1 .initial.search-menu,.search-menu-1 .closed.search-menu { opacity: 0; transition-duration: .2s; } .search-menu-1 .open.search-menu { top: 5.1rem; opacity: 1; } .search-menu-1 label.search-menu { padding: 0; } .search-menu-1 label.search-menu + label.search-menu { padding-top: 7px; } .search-menu-1 a.search-menu { padding: 1rem 0 0 0; } }.media-subnav-1 a.media-subnav { text-decoration: none; color: #fff; } .media-subnav-1 img.media-subnav { display: block; width: 90px; height: 90px; margin: 0 auto 1rem auto; border-radius: 45px; } .media-subnav-1 h3.media-subnav { margin-top: 0; font-size: 1.8rem; } .media-subnav-1 h4.media-subnav { font-size: 1.6rem; } .media-subnav-1 ul.media-subnav { padding: 0; margin: 0; list-style: none; } .media-subnav-1 li.media-subnav + li.media-subnav { padding-top: 1.5rem; } .media-subnav-1 .icon-links.media-subnav { display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: space-evenly; -ms-flex-pack: space-evenly; justify-content: space-evenly; text-align: center; } .media-subnav-1 .icon-links.media-subnav a.media-subnav { display: inline-block; width: 120px; margin-bottom: 1.5rem; overflow: hidden; white-space: nowrap; text-align: center; text-overflow: ellipsis; } .media-subnav-1 .icon-links.media-subnav a.media-subnav + a.media-subnav { margin-left: 2rem; } .media-subnav-1 .featured.media-subnav h4.media-subnav { display: none; } @media (min-width: 890px) { .media-subnav-1 { display: -ms-grid; display: grid; -ms-grid-columns: 40% 20% 40%; grid-template-columns: 40% 20% 40%; } .media-subnav-1 .wayback-search.media-subnav { -ms-grid-column: 1; -ms-grid-column-span: 3; grid-column: 1 / 4; } .media-subnav-1 h3.media-subnav { display: none; } .media-subnav-1 h4.media-subnav { margin: 0 0 1rem 0; font-weight: 100; } .media-subnav-1 ul.media-subnav { font-size: 1.3rem; } .media-subnav-1 li.media-subnav { padding-bottom: .5rem; } .media-subnav-1 li.media-subnav + li.media-subnav { padding-top: 0; } .media-subnav-1 li.media-subnav a.media-subnav { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .media-subnav-1 .icon-links.media-subnav { -ms-grid-column: 1; } .media-subnav-1 .icon-links.media-subnav a.media-subnav { padding-top: 3.5rem; max-width: 160px; } .media-subnav-1 .links.media-subnav { padding: 0 1.5rem; } .media-subnav-1 .featured.media-subnav { -ms-grid-column: 2; } .media-subnav-1 .featured.media-subnav h4.media-subnav { display: block; } .media-subnav-1 .top.media-subnav { -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav { display: -ms-grid; display: grid; -ms-grid-columns: 50% 3rem 50%; grid-template-columns: 50% 50%; -ms-grid-rows: (auto)[7]; grid-template-rows: repeat(7, auto); grid-column-gap: 3rem; grid-auto-flow: column; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(1) { -ms-grid-row: 1; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(2) { -ms-grid-row: 2; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(3) { -ms-grid-row: 3; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(4) { -ms-grid-row: 4; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(5) { -ms-grid-row: 5; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(6) { -ms-grid-row: 6; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(7) { -ms-grid-row: 7; -ms-grid-column: 1; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(8) { -ms-grid-row: 1; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(9) { -ms-grid-row: 2; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(10) { -ms-grid-row: 3; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(11) { -ms-grid-row: 4; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(12) { -ms-grid-row: 5; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(13) { -ms-grid-row: 6; -ms-grid-column: 3; } .media-subnav-1 .top.media-subnav ul.media-subnav > *.media-subnav:nth-child(14) { -ms-grid-row: 7; -ms-grid-column: 3; } }.media-slider-1 .overflow-clip.media-slider { display: none; position: absolute; top: 4rem; right: 0; left: 4rem; height: 368px; overflow-x: hidden; } .media-slider-1 .information-menu.media-slider { position: absolute; top: 0; right: 0; left: 0; padding: 0; height: 368px; overflow-x: hidden; font-size: 1.4rem; background: #333; } .media-slider-1 .open.media-slider { display: block; } .media-slider-1 .info-box.media-slider { padding: 1rem; } @media (min-width: 890px) { .media-slider-1 .overflow-clip.media-slider { display: block; top: 0; left: 0; height: auto; overflow-x: visible; transform: translate(0, -100%); transition: transform .2s ease; } .media-slider-1 .information-menu.media-slider { left: 0; z-index: 1; height: auto; min-height: 21rem; background: #474747; transform: translate(0, -100%); transition: transform .2s ease; } .media-slider-1 .overflow-clip.open.media-slider { transform: translate(0, 8rem); } .media-slider-1 .information-menu.open.media-slider { transform: translate(0, 0); } .media-slider-1 .info-box.media-slider { max-width: 1000px; padding: 1.5rem 0; margin: 0 auto; } }.desktop-subnav-1 ul.desktop-subnav { position: relative; z-index: 3; padding: .8rem 0; margin: 0; font-size: 1.2rem; text-transform: uppercase; text-align: center; background: #333; } .desktop-subnav-1 li.desktop-subnav { display: inline-block; padding: 0 15px; } .desktop-subnav-1 a.desktop-subnav { text-decoration: none; color: #aaa; } .desktop-subnav-1 a.desktop-subnav:hover,.desktop-subnav-1 a.desktop-subnav:active,.desktop-subnav-1 a.desktop-subnav:focus { color: #fff; } .desktop-subnav-1 .donate.desktop-subnav svg.desktop-subnav { width: 16px; height: 16px; vertical-align: -4px; fill: #f00; }.signed-out-dropdown-1 { ; } .signed-out-dropdown-1 nav.signed-out-dropdown { position: absolute; top: -1500px; right: 0; z-index: 1; overflow: hidden; font-size: 1.6rem; background-color: #333; transition-property: top; transition-duration: 0.2s; transition-timing-function: ease; } .signed-out-dropdown-1 .initial.signed-out-dropdown,.signed-out-dropdown-1 .closed.signed-out-dropdown { top: -1500px; } .signed-out-dropdown-1 .closed.signed-out-dropdown { transition-duration: 0.5s; } .signed-out-dropdown-1 .open.signed-out-dropdown { top: 4rem; max-width: 100vw; overflow: auto; } .signed-out-dropdown-1 h3.signed-out-dropdown { padding: 0.6rem 2rem; margin: 0; font-size: inherit; overflow: hidden; text-overflow: ellipsis; } .signed-out-dropdown-1 ul.signed-out-dropdown { padding: 0.4rem 0 0.7rem 0; margin: 0; list-style: none; max-height: calc(100vh - 7.2rem + 1px); overflow: auto; box-sizing: border-box; } .signed-out-dropdown-1 .divider.signed-out-dropdown { margin: .5rem 0; border-bottom: 1px solid #666; } .signed-out-dropdown-1 a.signed-out-dropdown,.signed-out-dropdown-1 .info-item.signed-out-dropdown { display: block; color: #fff; text-decoration: none; padding: 1rem 2rem; } .signed-out-dropdown-1 .info-item.signed-out-dropdown { font-size: .8em; color: #999; } @media (min-width: 890px) { .signed-out-dropdown-1 nav.signed-out-dropdown { overflow: visible; top: calc(100% + 7px); left: auto; z-index: 5; transition: opacity .2s ease-in-out; font-size: 1.4rem; border-radius: 2px; background: #fff; box-shadow: 0 1px 2px 1px rgba(0, 0, 0, .15); } .signed-out-dropdown-1 nav.signed-out-dropdown:after { position: absolute; right: 7px; top: -7px; width: 12px; height: 7px; box-sizing: border-box; color: #fff; content: ""; border-bottom: 7px solid currentColor; border-left: 6px solid transparent; border-right: 6px solid transparent; } .signed-out-dropdown-1 h3.signed-out-dropdown { display: none; } .signed-out-dropdown-1 ul.signed-out-dropdown { max-height: calc(100vh - 8.5rem + 1px); } .signed-out-dropdown-1 .divider.signed-out-dropdown { border-bottom-color: #666; } .signed-out-dropdown-1 a.signed-out-dropdown { padding: .5rem 2rem; color: #333; transition: background .1s ease-out, color .1s ease-out; } .signed-out-dropdown-1 .info-item.signed-out-dropdown { padding: .5rem 2rem; font-size: .8em; } .signed-out-dropdown-1 a.signed-out-dropdown:hover,.signed-out-dropdown-1 a.signed-out-dropdown:active,.signed-out-dropdown-1 a.signed-out-dropdown:focus { color: #fff; 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MIT 8.03 Physics III: Vibrations and Waves, Fall 2004

by: MIT OpenCourseWare

Publication date: 2004

Usage: Attribution-Noncommercial-Share Alike 3.0 United States

Topics: mechanical vibrations, waves, simple harmonic motion, superposition, forced vibrations, resonance, coupled oscillations, normal modes, vibrations of continuous systems, reflection, refraction, phase, group velocity, Optics, wave solutions to Maxwell's equations, polarization, Snell's Law, interference, Huygens's principle, Fraunhofer diffraction, gratings, musical instruments, red sunsets, glories, coronae, rainbows, haloes, X-ray binaries, neutron stars, black holes, big-bang cosmology

In addition to the traditional topics of mechanical vibrations and waves, coupled oscillators, and electro-magnetic radiation, students will also learn about musical instruments, red sunsets, glories, coronae, rainbows, haloes, X-ray binaries, neutron stars, black holes and big-bang cosmology.

Addeddate: 2008-12-17 21:52:37

Color: color

Identifier: MIT8.03F04

Sound: sound

Year: 2004

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Reviewer: fred.lueck - - August 2, 2016
Subject: Zip of MP4 Broken

The zipped collection of MP4 videos does not extract due to header errors (lecture 8 and 15) and CRC errors
(lecture 6). Lectures 6, 8, and 15 need to be recompressed into the archive.

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493.5M

Lec 22: Rainbows - Haloes - Coronae - Glories

458.7M

Lec 15: Doppler Effect - Sound - EM Radiation - Binary Stars - Neutron Stars and Black Holes - Expanding Universe

463.9M

Lec 23: Farewell Special - Bring a Friend!

447.2M

Lec 16: Boundary Conditions at Perfect Conductors - Reflection - Standing EM Waves - Transmission Lines - Radiation Pressure

451.8M

Lec 8: Traveling Waves - Boundary Conditions - Standing Waves - Sound (Longitudinal Waves) - Energy in Waves

475.9M

Lec 9: Musical Instruments - Sound Cavities - Normal Modes

453.6M

Lec 17: Wave Guides - Resonance Cavities of EM-radiation and Sound

459.4M

Lec 1: Periodic Phenomena (Oscillations, Waves) - SHO - Complex Notation - Differential Equations - Physical Pendulum

457.3M

Lec 10: Exam 1 Review

478.0M

Lec 2: Beats - Damped Free Oscillations (Under- Over- and Critically Damped) - Quality Q

482.2M

Lec 18: Boundary Conditions for Dielectrics - Index of Refraction - Snell's Law - Total Internal Reflection - Fresnel Equations - Brewster Angle

410.8M

Lec 3: Forced Oscillations with Damping

475.0M

Lec 19: Exam 2 Review

439.4M

Lec 11: Fourier Analysis - Time Evolution of Pulses on Strings

464.8M

Lec 12: Dispersion - Phase Velocity - Group Velocity

457.2M

Lec 4: Forced Oscillations - Power at Resonance (Resonance Absorption, Resonance Width, Quality Q) - Transient Phenomena (General Solutions including Initial Conditions)

455.8M

Lec 20: Huygens' Principle - Interference - Thin films - Soap - Oil - Light (double slit interference)

462.3M

Lec 5: Coupled Oscillators

497.0M

Lec 21: Diffraction - Gratings - Pin Holes - Angular Resolution

444.7M

Lec 13: Electromagnetic Waves - Plane Wave Solutions to Maxwell's Equations - Polarization - Malus' Law

455.3M

Lec 14: Accelerated Charges - Poynting Vector - Power - Rayleigh Scattering - Polarization

475.7M

Lec 6: Driven Coupled Oscillators - Triple Pendulum - Steady State and Transient Solutions - Cramer's Rule

462.5M

Lec 7: Many Coupled Oscillators - Wave Equation - Transverse Traveling Pulses and Waves

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MPEG4

16.0M

Course Introduction

163.5M

Lec 1: Periodic Phenomena (Oscillations, Waves) - SHO - Complex Notation - Differential Equations - Physical Pendulum

140.4M

Lec 10: Lecture #10: Exam 1 Review

116.9M

Lec 11: Fourier Analysis - Time Evolution of Pulses on Strings

150.5M

Lec 12: Dispersion - Phase Velocity - Group Velocity

142.4M

Lec 13: Electromagnetic Waves - Plane Wave Solutions to Maxwell's Equations - Polarization - Malus' Law

139.6M

Lec 14: Accelerated Charges - Poynting Vector - Power - Rayleigh Scattering - Polarization

140.4M

Lec 15: Doppler Effect - Sound - EM Radiation - Binary Stars - Neutron Stars and Black Holes - Expanding Universe

164.9M

Lec 16: Boundary Conditions at Perfect Conductors - Reflection - Standing EM Waves - Transmission Lines - Radiation Pressure

162.6M

Lec 17: Wave Guides - Resonance Cavities of EM-radiation and Sound

161.6M

Lec 18: Boundary Conditions for Dielectrics - Index of Refraction - Snell's Law - Total Internal Reflection - Fresnel Equations - Brewster Angle

150.8M

Lec 19: Exam 2 Review

157.6M

Lec 2: Beats - Damped Free Oscillations (Under- Over- and Critically Damped) - Quality Q

127.4M

Lec 20: Huygens' Principle - Interference - Thin films - Soap - Oil - Light (double slit interference)

143.5M

Lec 21: Diffraction - Gratings - Pin Holes - Angular Resolution

123.6M

Lec 22: Rainbows - Haloes - Coronae - Glories

119.1M

Lec 23: Farewell Special - Bring a Friend!

129.4M

Lec 3: Forced Oscillations with Damping - Destructive Resonance

138.6M

Lec 4: Forced Oscillations - Power at Resonance (Resonance Absorption, Resonance Width, Quality Q) - Transient Phenomena (General Solutions including Initial Conditions)

138.6M

Lec 5: Coupled Oscillators

138.0M

Lec 6: Driven Coupled Oscillators - Triple Pendulum - Steady State and Transient Solutions - Cramer's Rule

122.7M

Lec 7: Many Coupled Oscillators - Wave Equation - Transverse Traveling Pulses and Waves

140.0M

Lec 8: Traveling Waves - Boundary Conditions - Standing Waves - Sound (Longitudinal Waves) - Energy in Waves

139.5M

Lec 9: Musical Instruments - Sound Cavities - Normal Modes

31.2M

Course Introduction

259.1M

Lec 22: Rainbows - Haloes - Coronae - Glories

281.5M

Lec 17: Wave Guides - Resonance Cavities of EM-radiation and Sound

305.9M

Lec 1: Periodic Phenomena (Oscillations, Waves) - SHO - Complex Notation - Differential Equations - Physical Pendulum

290.6M

Lec 10: Exam 1 Review

288.5M

Lec 12: Dispersion - Phase Velocity - Group Velocity

276.6M

Lec 14: Accelerated Charges - Poynting Vector - Power - Rayleigh Scattering - Polarization

266.6M

Lec 7: Many Coupled Oscillators - Wave Equation - Transverse Traveling Pulses and Waves

315.1M

Lec 1: Periodic Phenomena (Oscillations, Waves) - SHO - Complex Notation - Differential Equations - Physical Pendulum

300.5M

Lec 10: Lecture #10: Exam 1 Review

258.5M

Lec 11: Fourier Analysis - Time Evolution of Pulses on Strings

297.7M

Lec 12: Dispersion - Phase Velocity - Group Velocity

289.4M

Lec 13: Electromagnetic Waves - Plane Wave Solutions to Maxwell's Equations - Polarization - Malus' Law

286.9M

Lec 14: Accelerated Charges - Poynting Vector - Power - Rayleigh Scattering - Polarization

297.4M

Lec 15: Doppler Effect - Sound - EM Radiation - Binary Stars - Neutron Stars and Black Holes - Expanding Universe

298.7M

Lec 16: Boundary Conditions at Perfect Conductors - Reflection - Standing EM Waves - Transmission Lines - Radiation Pressure

290.5M

Lec 17: Wave Guides - Resonance Cavities of EM-radiation and Sound

310.5M

Lec 18: Boundary Conditions for Dielectrics - Index of Refraction - Snell's Law - Total Internal Reflection - Fresnel Equations - Brewster Angle

312.7M

Lec 19: Exam 2 Review

322.3M

Lec 2: Beats - Damped Free Oscillations (Under- Over- and Critically Damped) - Quality Q

269.8M

Lec 20: Huygens' Principle - Interference - Thin films - Soap - Oil - Light (double slit interference)

294.0M

Lec 21: Diffraction - Gratings - Pin Holes - Angular Resolution

266.8M

Lec 22: Rainbows - Haloes - Coronae - Glories

260.8M

Lec 23: Farewell Special - Bring a Friend!

269.0M

Lec 3: Forced Oscillations with Damping - Destructive Resonance

296.4M

Lec 4: Forced Oscillations - Power at Resonance (Resonance Absorption, Resonance Width, Quality Q) - Transient Phenomena (General Solutions including Initial Conditions)

307.0M

Lec 5: Coupled Oscillators

301.9M

Lec 6: Driven Coupled Oscillators - Triple Pendulum - Steady State and Transient Solutions - Cramer's Rule

282.4M

Lec 7: Many Coupled Oscillators - Wave Equation - Transverse Traveling Pulses and Waves

295.3M

Lec 8: Traveling Waves - Boundary Conditions - Standing Waves - Sound (Longitudinal Waves) - Energy in Waves

321.5M

Lec 9: Musical Instruments - Sound Cavities - Normal Modes

133.5M

Lec 22: Rainbows - Haloes - Coronae - Glories

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Lec 15: Doppler Effect - Sound - EM Radiation - Binary Stars - Neutron Stars and Black Holes - Expanding Universe

124.9M

Lec 23: Farewell Special - Bring a Friend!

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Lec 8: Traveling Waves - Boundary Conditions - Standing Waves - Sound (Longitudinal Waves) - Energy in Waves

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Lec 9: Musical Instruments - Sound Cavities - Normal Modes

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Lec 10: Exam 1 Review

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110.8M

Lec 3: Forced Oscillations with Damping

128.1M

Lec 19: Exam 2 Review

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Lec 11: Fourier Analysis - Time Evolution of Pulses on Strings

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Lec 12: Dispersion - Phase Velocity - Group Velocity

123.7M

Lec 4: Forced Oscillations - Power at Resonance (Resonance Absorption, Resonance Width, Quality Q) - Transient Phenomena (General Solutions including Initial Conditions)

122.8M

Lec 20: Huygens' Principle - Interference - Thin films - Soap - Oil - Light (double slit interference)

125.1M

Lec 5: Coupled Oscillators

133.8M

Lec 21: Diffraction - Gratings - Pin Holes - Angular Resolution

120.2M

Lec 13: Electromagnetic Waves - Plane Wave Solutions to Maxwell's Equations - Polarization - Malus' Law

123.0M

Lec 14: Accelerated Charges - Poynting Vector - Power - Rayleigh Scattering - Polarization

128.5M

Lec 6: Driven Coupled Oscillators - Triple Pendulum - Steady State and Transient Solutions - Cramer's Rule

125.6M

Lec 7: Many Coupled Oscillators - Wave Equation - Transverse Traveling Pulses and Waves

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